I had experience in the past of LLMs not replying to perfectly legitimate questions because it "feared" that the reply would be illegal in some jurisdiction. After receiving an explanation that its fumigations about legality were completely dumb, it finally answered.

They can be very confused about what information they should believe they should conceal.

A dumb interlocutor that stubbornly refuses to provide information because it has the mindset of an infant is less than useful, it is just another expression of the arrogant mediocrity.